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原帖由 hamsterman 於 2019-8-17 08:24 AM 發表

Chips are typically designed for EM for the expected lifecycle of the product to minimize field failure. 80C is well within design specs, which typically guarantees normal operation between around ...
AMD CPU 3年limited warranty. 3年後壞, 都可以叫 within spec, design.



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In order to warrant 3 years of normal operation the chip must have been designed to work well past 3 years. You never target your design to the mean of the expected distribution. Chip designers are way more concerned about not having design flaws than software designers because of the huge cost of doing respins.